Pheochromocytoma in children and adolescents: a clinical spectrum

Nabil K Bissada1, Ahmed S Safwat, Raouf M Seyam

  • 1Department of Urology, University of Arkansas for Medical Sciences, Little Rock, AR 72205-7199, USA. bissadanabilk@uams.edu

Insights

Pediatric pheochromocytoma presents unique characteristics, including adrenal and extra-adrenal tumors. This study details the clinical spectrum and outcomes of 21 children diagnosed with this rare condition.

Area of Science:

  • Pediatric Endocrinology
  • Pediatric Oncology
  • Surgical Oncology

Background:

  • Pheochromocytoma is a rare neuroendocrine tumor originating from chromaffin cells.
  • While more common in adults, pheochromocytoma in children presents distinct clinical features and management challenges.

Purpose of the Study:

  • To delineate the spectrum of disease characteristics in pediatric pheochromocytoma.
  • To provide insights into the unique presentation, diagnosis, and management of pheochromocytoma in the pediatric population.

Main Methods:

  • Retrospective review of 21 consecutive pediatric pheochromocytoma cases.
  • Data collection included patient demographics, clinical presentation, associated conditions, diagnostic modalities, surgical treatment, and follow-up outcomes.

Main Results:

  • The cohort comprised 21 children with both adrenal (17) and extra-adrenal (4) tumors, including one in the urinary bladder.
  • Presentations varied, with hypertension and visual disturbances common in sporadic forms, and associated manifestations in familial cases. Malignancy and recurrence were noted in a subset of patients.
  • All patients underwent surgical resection, with 17 receiving preoperative alpha-adrenergic blockade.

Conclusions:

  • Pediatric pheochromocytoma exhibits distinct characteristics compared to adult cases.
  • This series represents a significant contribution to understanding the spectrum of pheochromocytoma in children.
  • Early diagnosis and tailored surgical management are crucial for favorable outcomes in pediatric pheochromocytoma.
Abstract

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